What's inside One World Trade Center's structure?

In this video, I used 3D animation to show what's inside one World Trade Center building of the United States.  I will work to make more videos in the future in my free time.  I hope you support my content.

Animation and rendered by 3D Living Studio
3D graphic tutorials & learning new skills https://skillshare.eqcm.net/rQErOy

Special thanks to the Dronalist for CC license.